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ella [17]
3 years ago
11

9. Seven less than twice a number is 43 Equation: Solution

Mathematics
1 answer:
GrogVix [38]3 years ago
3 0

Answer:the number is 25

Step-by-step explanation:

2a-7=43

Collect like terms

2a=43+7

2a=50

Divide both sides by 2

2a/2=50/2

a=25

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Read 2 more answers
7(z+2)-3z=44 quiero que me ayuden a resolver este problema por favor
slega [8]
No hablo expanol

7(z+2)-3z=44
7z+14-3z=44
7z-3z+14=44
4z+14=44
-14        -14
4z+14-14=44-14
4z+0=30
4z=30
1/4  1/4
(4z)/4=30/4
(4/4)z=15/2
1z=15/2
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z=15/2
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